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@ -37,6 +37,7 @@ |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "internal.h" |
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#include "qp_table.h" |
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#include "vf_spp.h" |
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enum mode { |
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@ -375,47 +376,34 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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AVFilterLink *outlink = ctx->outputs[0]; |
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AVFrame *out = in; |
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int qp_stride = 0; |
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const int8_t *qp_table = NULL; |
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int8_t *qp_table = NULL; |
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
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const int depth = desc->comp[0].depth; |
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int ret = 0; |
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/* if we are not in a constant user quantizer mode and we don't want to use
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* the quantizers from the B-frames (B-frames often have a higher QP), we |
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* need to save the qp table from the last non B-frame; this is what the |
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* following code block does */ |
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if (!s->qp) { |
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qp_table = av_frame_get_qp_table(in, &qp_stride, &s->qscale_type); |
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if (qp_table && !s->use_bframe_qp && in->pict_type != AV_PICTURE_TYPE_B) { |
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int w, h; |
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/* if the qp stride is not set, it means the QP are only defined on
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* a line basis */ |
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if (!qp_stride) { |
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w = AV_CEIL_RSHIFT(inlink->w, 4); |
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h = 1; |
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} else { |
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w = qp_stride; |
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h = AV_CEIL_RSHIFT(inlink->h, 4); |
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} |
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if (w * h > s->non_b_qp_alloc_size) { |
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int ret = av_reallocp_array(&s->non_b_qp_table, w, h); |
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if (ret < 0) { |
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s->non_b_qp_alloc_size = 0; |
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return ret; |
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} |
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s->non_b_qp_alloc_size = w * h; |
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} |
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if (!s->qp && (s->use_bframe_qp || in->pict_type != AV_PICTURE_TYPE_B)) { |
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ret = ff_qp_table_extract(in, &qp_table, &qp_stride, NULL, &s->qscale_type); |
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if (ret < 0) { |
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av_frame_free(&in); |
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return ret; |
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} |
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av_assert0(w * h <= s->non_b_qp_alloc_size); |
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memcpy(s->non_b_qp_table, qp_table, w * h); |
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if (!s->use_bframe_qp && in->pict_type != AV_PICTURE_TYPE_B) { |
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av_freep(&s->non_b_qp_table); |
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s->non_b_qp_table = qp_table; |
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s->non_b_qp_stride = qp_stride; |
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} |
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} |
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if (s->log2_count && !ctx->is_disabled) { |
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if (!s->use_bframe_qp && s->non_b_qp_table) |
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qp_table = s->non_b_qp_table; |
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if (!s->use_bframe_qp && s->non_b_qp_table) { |
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qp_table = s->non_b_qp_table; |
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qp_stride = s->non_b_qp_stride; |
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} |
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if (qp_table || s->qp) { |
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const int cw = AV_CEIL_RSHIFT(inlink->w, s->hsub); |
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@ -430,7 +418,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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out = ff_get_video_buffer(outlink, aligned_w, aligned_h); |
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if (!out) { |
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av_frame_free(&in); |
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return AVERROR(ENOMEM); |
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ret = AVERROR(ENOMEM); |
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goto finish; |
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} |
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av_frame_copy_props(out, in); |
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out->width = in->width; |
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@ -454,7 +443,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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inlink->w, inlink->h); |
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av_frame_free(&in); |
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} |
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return ff_filter_frame(outlink, out); |
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ret = ff_filter_frame(outlink, out); |
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finish: |
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if (qp_table != s->non_b_qp_table) |
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av_freep(&qp_table); |
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return ret; |
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} |
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static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, |
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